* Add lots of comments to user.Issues()

* Answered some questions from comments

* fix typo in comment

* Refac user.Issues(): add func repoIDs

* Refac user.Issues(): add func userRepoIDs

* Refac user.Issues(): add func issueIDsFromSearch

* Refac user.Issues(): improve error handling

* Refac user.Issues(): add inline documentation and move variable declarations closer to their usages

* Refac user.Issues(): add func repoIDMap

* Refac user.Issues(): cleanup

* Refac: Separate Issues from Pulls during routing

* fix typo in comment

* Adapt Unittests to Refactoring

* Issue13171: Issue and PR Overviews now ignore archived Repositories

* changed some verbatim SQL conditions to builder.Eq

* models/issue.go: use OptionalBool properly

Co-authored-by: 6543 <6543@obermui.de>

* Use IsArchived rather than ExcludeArchivedRepos

* fixed broken test after merge

* added nil check

* Added Unit Test securing Issue 13171 fix

* Improved IsArchived filtering in issue.GetUserIssueStats

* Removed unused func

* Added grouping to avoid returning duplicate repo IDs

Co-authored-by: 6543 <6543@obermui.de>
Co-authored-by: Gitea <gitea@fake.local>
Co-authored-by: techknowlogick <techknowlogick@gitea.io>

* Fix milestones too many SQL variables bug

* Fix test

* Don't display repositories with no milestone and fix tests

* Remove unused code and add some comments

* test: add current attachement responses

* refactor: check if attachement is linked and accessible by user

* chore: clean TODO

* fix: typo attachement -> attachment

* revert un-needed go.sum change

* refactor: move models logic to models

* fix TestCreateIssueAttachment which was wrongly successful

* fix unit tests with unittype added

* fix unit tests with changes

* use a valid uuid format for pgsql int. test

* test: add unit test TestLinkedRepository

* refactor: allow uploader to access unlinked attachement

* add missing blank line

* refactor: move to a separate function repo.GetAttachment

* typo

* test: remove err test return

* refactor: use repo perm for access checking generally + 404 for all reject

Create a /milestones endpoint which basically serves as a dashboard view for milestones, very similar to the /issues or /pulls page.

Closes #8232

Signed-off-by: Tamal Saha <tamal@appscode.com>

* Fix counts on issues dashboard

* setupSess -> setupSession

* Unit test

* Load repo owners for issues